In order to solve the Google Play Store stuck at waiting for download issue, it is best to turn off automatic updates. To stop automatic updates on your Android phone, follow these steps: ...

It's important to update your phone regularly, but every now and then your phone could get stuck. Here are some reasons why and how to fix it when it happens.

As for the bug that gets Android Auto stuck on an old version, the only way to deal with it is to manually download the APK file for the latest build. You can find them all on this page.